21473859

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{8237}}^1$

素因数の和:8330

約数の個数: 16

約数和(自身を含む): 31633920

約数和(自身を除く): 10160061

約数列:

[1, 3, 11, 33, 79, 237, 869, 2607, 8237, 24711, 90607, 271821, 650723, 1952169, 7157953, 21473859]

約数ペア:

[(1, 21473859), (3, 7157953), (11, 1952169), (33, 650723), (79, 271821), (237, 90607), (869, 24711), (2607, 8237)]